Bicarbonate

In <a href="/facts/Inorganic_chemistry/ErD6ypnb">inorganic chemistry</a>, bicarbonate (<a href="/facts/International_Union_of_Pure_and_Applied_Chemistry/2AV6myCK">IUPAC</a>-recommended nomenclature: hydrogencarbonate) is an intermediate form in the <a href="/facts/Deprotonation/SmUSh369">deprotonation</a> of <a href="/facts/Carbonic_acid/fjjVAhwt">carbonic acid</a>. It is a <a href="/facts/Polyatomic_ion/FcPWAyLm">polyatomic</a> <a href="/facts/Anion/wrbwhF3z">anion</a> with the chemical formula <a href="/facts/Hydrogen/BoYHjl0J">H</a><a href="/facts/Carbon/ukrgQexo">C</a><a href="/facts/Oxygen/acyn6o8r">O</a>−3.
Bicarbonate serves a crucial biochemical role in the physiological <a href="/facts/PH/RnSv8D7y">pH</a> <a href="/facts/Buffering_solution/zrLz9eaa">buffering</a> system.
The term "bicarbonate" was <a href="/facts/Factitious_airs/qjfr0v85">coined</a> in 1814 by the English chemist <a href="/facts/William_Hyde_Wollaston/U0MXYKA3">William Hyde Wollaston</a>. The name lives on as a <a href="/facts/Trivial_name/UWV8LfCB">trivial name</a>.

Bicarbonate open-in-new

Bicarbonate